You collect height and weight information of all the 100 participants in the PRML class. But instead of computing PCA on the entire dataset, you arbitrarily split it into 2 datasets with 50 points each. One of your friend says that she suffered an error vector of [-55] with respect to the most important direction of the first dataset and an error vector of [-56] with respect to the most important direction of the second dataset. What is the datapoint corresponding to your friend? Explain with all steps and graphs
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